Disciple: “What must I do to be prosperous?”
God: “Serve!”

In the book of Job, the Bible records that those who obey and serve God, returning from their sinfulness (as God has commanded), will spend their days in prosperity, and their years in pleasures (Job 36:10-11). Prosperity comes from obedience and service. There are many who have  believed in the Lord Jesus Christ, who obeyed God and repented of their sins, but seldom are they in service to God.

Points to ponder:
Wanna be prosperous? Serve God as he did. Jesus laid the model down for us and he expressed it by saying, “I did not come to be served (ministered) but to serve (minister) and to give his life as a ransom for many.” (Matthew 28:20). Would you consider yourself as prosperous? In other words, “Are you sacrificially serving God after you have believed and repented of your sins?”.

Job 36:10-11 (KJV)
10 He openeth also their ear to discipline, and commandeth that they return from iniquity.
11 If they obey and serve him, they shall spend their days in prosperity, and their years in pleasures.